Q. Consider the following statements for a power shovel:(i) Output can be increased by reducing the angle of swing for a given depth ofcut. (ii) For a given angle of swing, output will be maximum at optimum depth of cut. (iii) Output can be increased by keeping the depth of cut less than optimumdepth, (iv) Output can be increased by increasing the size of shovel. Of these statements (Solved)
1. (ii), (iii) and (iv) are correct
2. (i), (ii) and (iv) are correct
3. (i), (iii) and (iv) are correct
4. (i) and (iv) are correct
- b. (i), (ii) and (iv) are correct